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Finding the Fourth Proportional to 286,301.70, 429,452.55 and 264,650.40

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Solution

The fourth proportional to 286,301.70, 429,452.55 and 264,650.40 is: 396,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,301.70 : 429,452.55 = 264,650.40 : x
  2. Step 2: Convert to fraction form
    286,301.70/429,452.55 = 264,650.40/x
  3. Step 3: Cross multiply
    286,301.70x = 429,452.55 × 264,650.40
  4. Step 4: Simplify right side
    286,301.70x = 113,654,789,138.52
  5. Step 5: Solve for x
    x = 113,654,789,138.52/286,301.70
  6. Step 6: Final answer
    x = 396,975.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.